Past Events View highlights and photos from previous CHE events. CHE Environmental Colloquia 2024-2025 Fall 2024 Understanding the Sacred Way of Our Ancestors, December 11, 2024 The Four Lessons of Navajo Boy Guest Lecture, October 25, 2024 CHE Walk, September 29, 2024 CHE Place-Based Workshop, May 14-16, 2024 Earth Fest 2024: Music, Sound, and Environment CHE Environmental Colloquia 2023-2024 Fall 2023 Spring 2024 CHE Walk, October 29, 2023 CHE Place-Based Workshop, May 19-21, 2023 CHE Walk, May 6, 2023 CHE Walk, February 26, 2023 CHE Walk, November 13, 2022